1 files changed, 69 insertions, 0 deletions
diff --git a/mozglue/linker/tests/TestZip.cpp b/mozglue/linker/tests/TestZip.cpp
new file mode 100644
index 000000000..25873f5e5
--- /dev/null
+++ b/mozglue/linker/tests/TestZip.cpp
@@ -0,0 +1,69 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this file,
+ * You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#include <cstdio>
+#include <unistd.h>
+#include "Zip.h"
+#include "mozilla/RefPtr.h"
+
+extern "C" void report_mapping() { }
+extern "C" void delete_mapping() { }
+
+/**
+ * test.zip is a basic test zip file with a central directory. It contains
+ * four entries, in the following order:
+ * "foo", "bar", "baz", "qux".
+ * The entries are going to be read out of order.
+ */
+const char *test_entries[] = {
+  "baz", "foo", "bar", "qux"
+};
+
+/**
+ * no_central_dir.zip is a hand crafted test zip with no central directory
+ * entries. The Zip reader is expected to be able to traverse these entries
+ * if requested in order, without reading a central directory
+ * - First entry is a file "a", STOREd.
+ * - Second entry is a file "b", STOREd, using a data descriptor. CRC is
+ *   unknown, but compressed and uncompressed sizes are known in the local
+ *   file header.
+ * - Third entry is a file "c", DEFLATEd, using a data descriptor. CRC,
+ *   compressed and uncompressed sizes are known in the local file header.
+ *   This is the kind of entry that can be found in a zip that went through
+ *   zipalign if it had a data descriptor originally.
+ * - Fourth entry is a file "d", STOREd.
+ */
+const char *no_central_dir_entries[] = {
+  "a", "b", "c", "d"
+};
+
+int main(int argc, char *argv[])
+{
+  if (argc != 2) {
+    fprintf(stderr, "TEST-FAIL | TestZip | Expecting the directory containing test Zips\n");
+    return 1;
+  }
+  chdir(argv[1]);
+  Zip::Stream s;
+  RefPtr<Zip> z = ZipCollection::GetZip("test.zip");
+  for (size_t i = 0; i < sizeof(test_entries) / sizeof(*test_entries); i++) {
+    if (!z->GetStream(test_entries[i], &s)) {
+      fprintf(stderr, "TEST-UNEXPECTED-FAIL | TestZip | test.zip: Couldn't get entry \"%s\"\n", test_entries[i]);
+      return 1;
+    }
+  }
+  fprintf(stderr, "TEST-PASS | TestZip | test.zip could be accessed fully\n");
+
+  z = ZipCollection::GetZip("no_central_dir.zip");
+  for (size_t i = 0; i < sizeof(no_central_dir_entries)
+                         / sizeof(*no_central_dir_entries); i++) {
+    if (!z->GetStream(no_central_dir_entries[i], &s)) {
+      fprintf(stderr, "TEST-UNEXPECTED-FAIL | TestZip | no_central_dir.zip: Couldn't get entry \"%s\"\n", no_central_dir_entries[i]);
+      return 1;
+    }
+  }
+  fprintf(stderr, "TEST-PASS | TestZip | no_central_dir.zip could be accessed in order\n");
+
+  return 0;
+}